(19)

(11)

EP 3 458 768 A1

(12)

(43) Date of publication: 27.03.2019 Bulletin 2019/13 (21) Application number: 17721295.8 (22) Date of filing: 24.04.2017

(51) International Patent Classification (IPC):  F17C 1/06(2006.01) F17C 1/16(2006.01) (86) International application number: PCT/US2017/029080 (87) International publication number: WO 2017/200713 (23.11.2017 Gazette 2017/47)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 17.05.2016 US 201662337450 P (71) Applicant: Hexagon Technology AS 6002 Sentrum, Alesund (NO)	(72) Inventor: NEWHOUSE, Norman, L. Lincoln, Nebraska 68524 (US) (74) Representative: Downing, Michael Philip  Downing IP Limited Grosvenor House 7 Horseshoe Crescent Beaconsfield, Bucks. HP9 1LJ 7 Horseshoe Crescent Beaconsfield, Bucks. HP9 1LJ (GB)